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Diffstat (limited to 'board/sc3/sc3.h')
-rw-r--r-- | board/sc3/sc3.h | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/board/sc3/sc3.h b/board/sc3/sc3.h new file mode 100644 index 0000000..cf920f9 --- /dev/null +++ b/board/sc3/sc3.h @@ -0,0 +1,117 @@ +/* + * (C) Copyright 2000 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +/** + * hcWriteWord - write a 16 bit value into the USB controller + * @base: base address to access the chip registers + * @value: 16 bit value to write into register @offset + * @offset: register to write the @value into + * + */ +static void inline hcWriteWord (unsigned long base, unsigned int value, + unsigned int offset) +{ + out_le16 ((volatile u16*)(base + 2), offset | 0x80); + out_le16 ((volatile u16*)base, value); +} + +/** + * hcWriteDWord - write a 32 bit value into the USB controller + * @base: base address to access the chip registers + * @value: 32 bit value to write into register @offset + * @offset: register to write the @value into + * + */ + +static void inline hcWriteDWord (unsigned long base, unsigned long value, + unsigned int offset) +{ + out_le16 ((volatile u16*)(base + 2), offset | 0x80); + out_le16 ((volatile u16*)base, value); + out_le16 ((volatile u16*)base, value >> 16); +} + +/** + * hcReadWord - read a 16 bit value from the USB controller + * @base: base address to access the chip registers + * @offset: register to read from + * + * Returns the readed register value + */ + +static unsigned int inline hcReadWord (unsigned long base, unsigned int offset) +{ + out_le16 ((volatile u16*)(base + 2), offset); + return (in_le16 ((volatile u16*)base)); +} + +/** + * hcReadDWord - read a 32 bit value from the USB controller + * @base: base address to access the chip registers + * @offset: register to read from + * + * Returns the readed register value + */ + +static unsigned long inline hcReadDWord (unsigned long base, unsigned int offset) +{ + unsigned long val, val16; + + out_le16 ((volatile u16*)(base + 2), offset); + val = in_le16((volatile u16*)base); + val16 = in_le16((volatile u16*)base); + return (val | (val16 << 16)); +} + +/* control and status registers isp1161 */ +#define HcRevision 0x00 +#define HcControl 0x01 +#define HcCommandStatus 0x02 +#define HcInterruptStatus 0x03 +#define HcInterruptEnable 0x04 +#define HcInterruptDisable 0x05 +#define HcFmInterval 0x0D +#define HcFmRemaining 0x0E +#define HcFmNumber 0x0F +#define HcLSThreshold 0x11 +#define HcRhDescriptorA 0x12 +#define HcRhDescriptorB 0x13 +#define HcRhStatus 0x14 +#define HcRhPortStatus1 0x15 +#define HcRhPortStatus2 0x16 + +#define HcHardwareConfiguration 0x20 +#define HcDMAConfiguration 0x21 +#define HcTransferCounter 0x22 +#define HcuPInterrupt 0x24 +#define HcuPInterruptEnable 0x25 +#define HcChipID 0x27 +#define HcScratch 0x28 +#define HcSoftwareReset 0x29 +#define HcITLBufferLength 0x2A +#define HcATLBufferLength 0x2B +#define HcBufferStatus 0x2C +#define HcReadBackITL0Length 0x2D +#define HcReadBackITL1Length 0x2E +#define HcITLBufferPort 0x40 +#define HcATLBufferPort 0x41 |